Research Article

Estimating Alarm Thresholds for Process Monitoring Data under Different Assumptions about the Data Generating Mechanism

Figure 1

(a) 100 transformed observations , in arbitrary units (au), with simulated as ; (b) the estimated probability density using parametric density estimation from two sets of 100 simulated and transformed observations as in (a); (c) same as (b) but using nonparametric density estimation.
705878.fig.001a
(a) Normal
705878.fig.001b
(b) Normal, parametric density estimation
705878.fig.001c
(c) Normal, nonparametric density estimation